diff --git a/Cargo.toml b/Cargo.toml
index b955d5a..21a5e8d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,3 +9,5 @@ edition = "2018"
 [dependencies]
 rust_util = "0.6"
 users = "0.11"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"